| Sold | Grade | Monthly Average |
| Apr 2020 | 9.4 | $79.95 |
| Nov 2019 | 9.4 | $63.96 |
| Mar 2018 | 9.4 | $79.95 |
| Jan 2018 | 9.4 | $79.95 |
| Jul 2016 | 9.4 | $79.95 |
| Jun 2016 | 9.4 | $79.95 |
| Aug 2015 | 9.4 | $79.95 |
| Jul 2015 | 9.4 | $79.95 |
| Apr 2022 | 8.0 | $100.00 |
| Apr 2020 | 8.0 | $56.70 |
| Jul 2019 | 8.0 | $63.00 |
| Jan 2017 | 8.0 | $56.70 |
| Feb 2016 | 8.0 | $63.00 |
| Aug 2022 | 4.0 | $51.00 |